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Let a(1),a(2),.......,a(n) be fixed real...

Let `a_(1),a_(2),.......,a_(n)` be fixed real numbers and define a function `f(x)=(x-a_(1))(x-a_(2)) ......(x-a_(n))`, what is lim `f(x)`? For some `anea_(1),a_(2),.........a_(n)`, compute `underset(Xrarr1)"lim"` f(x)

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